The Valve,safety Relief, cataloged under National Stock Number 4820-01-504-7834, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carver Pump Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-7834 |
| Primary Part Number | 580-014-250 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Material | BRONZE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 580-014-250 PRIMARY | Carver Pump Company (USA) |
| 250-1100-0-02 REV 3 ITEM 8 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 250-1100-0-02 | D/9 Drawing number reference only Carver Pump Company |
NSN 4820-01-504-7834 is a Valve,safety Relief, manufactured by Carver Pump Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-504-7834 has 2 manufacturer part numbers on file: 580-014-250 (Carver Pump Company), 250-1100-0-02 REV 3 ITEM 8 (Carver Pump Company).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-504-7881, 4720-01-504-8512, 4730-01-504-8514. Verify interchangeability with system specifications before substitution.
Key specifications for 580-014-250: Special Features: NHA VALVE ASSY PUMP; Material: BRONZE BODY. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.